1 files changed, 18 insertions, 0 deletions

diff --git a/src/video_core/host_shaders/convert_abgr8_to_d32f.frag b/src/video_core/host_shaders/convert_abgr8_to_d32f.frag
new file mode 100644
index 000000000..a1880b916
--- /dev/null
+++ b/src/video_core/host_shaders/convert_abgr8_to_d32f.frag
@@ -0,0 +1,18 @@
+// SPDX-FileCopyrightText: Copyright 2023 Your Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#version 450
+
+layout(binding = 0) uniform sampler2D color_texture;
+
+void main() {
+    ivec2 coord = ivec2(gl_FragCoord.xy);
+    vec4 color = texelFetch(color_texture, coord, 0).abgr;
+
+    uvec4 bytes = uvec4(color * (exp2(8) - 1.0f)) << uvec4(24, 16, 8, 0);
+    uint depth_unorm = bytes.x | bytes.y | bytes.z | bytes.w;
+
+    float depth_float = uintBitsToFloat(depth_unorm);
+
+    gl_FragDepth = depth_float;
+}